50 / FLIGHTTRAINING.AOPA.ORG PLUS Practice starting an engine with this online course from the Air Safety Institute. GIVEN THAT CARS these days start flawlessly over and over again in all sorts of temperatures and climates, it's no wonder we're frustrated that an airplane engine won't start because it's a little chilly outside. Or because we just flew it 20 minutes ago. Despite a relatively simple ingredient list of fuel, air, and spark, making that recipe come together takes a bit of knowledge and even more voodoo. Can't make it work today? Follow our handy flowchart. ยป By Ian J. Twombly Some are easier to diagnose than others Did it start? Smart move. Use hot start procedure. NO The primer is that little knob on the panel. YES YES Did it catch once? NO NO YES Do you smell fuel? A lot How much? Is this a cold start? Did you prime it? YES A little YES Shame! NO Is there fuel in the tanks? NO NO Congrats! YES Will it start? ENGINE STARTING PROBLEMS TECHNIQUEhttp://flash.aopa.org/asf/engine_prop/swf/flash.cfm http://FLIGHTTRAINING.AOPA.ORG